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BS EN 13377:2002

Current
Current

The latest, up-to-date edition.

Prefabricated timber formwork beams. Requirements, classification and assessment
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-05-2002

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Classification
5 Performance requirements
6 Prototype assessment
7 Evaluation of conformity
8 Ongoing production inspection
9 Marking
10 Instructions for use
Annex A (normative) Test and calculation methods to establish
        structural parameters
Annex B (normative) Statistical analysis of test results for
        the calculation of the characteristic value
Annex C (normative) Minimum requirements for production
        control
Annex D (normative) Test procedures for beams with webs
        conforming to 5.2.2.c
Annex E (informative) Values for use in calculation for site
        use
Annex F (informative) Ongoing production inspection
Bibliography

Describes classification, requirements and assessment procedures for prefabricated timber formwork beams. It also gives information on production control requirements.

This European Standard specifies classification, requirements and assessment procedures for prefabricated timber formwork beams. It also gives information on production control requirements. Prefabricated timber formwork beams are intended for use in falsework and formwork and to be loaded in the direction of the beam depth. They are of glued I-shaped construction consisting of two identical flange members of solid timber connected by a single web of wood based material with beam depths of 160 mm, 200 mm and 240 mm, connected by or a lattice of solid timber members with a beam depth of 240 mm beam depth.

Committee
B/514/26
DevelopmentNote
Supersedes 98/109758 DC (12/2002)
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
SN EN 13377 : 2002 Identical
NF EN 13377 : 2003 Identical
UNE-EN 13377:2002 Identical
NEN EN 13377 : 2002 Identical
EN 13377:2002 Identical
NBN EN 13377 : 2003 Identical
NS EN 13377 : 1ED 2002 Identical
UNI EN 13377 : 2003 Identical
DIN EN 13377:2002-11 Identical
I.S. EN 13377:2002 Identical

17/30349707 DC : DRAFT AUG 2017 BS 5975:2018 - CODE OF PRACTICE FOR TEMPORARY WORKS PROCEDURES AND THE PERMISSIBLE STRESS DESIGN OF FALSEWORK
BS 5975(2008) : 2008 CODE OF PRACTICE FOR TEMPORARY WORKS PROCEDURES AND THE PERMISSIBLE STRESS DESIGN OF FALSEWORK
07/30150912 DC : 0 BS 5975 - CODE OF PRACTICE FOR THE PROCEDURAL CONTROL OF TEMPORARY WORKS AND THE PERMISSIBLE STRESS DESIGN OF FALSEWORK

EN 1194:1999 Timber structures - Glued laminated timber - Strength classes and determination of characteristic values
EN 319:1993 Particleboards and fibreboards - Determination of tensile strength perpendicular to the plane of the board
EN 310:1993 Wood-based panels - Determination of modulus of elasticity in bending and of bending strength
EN 636-2 : 1996 PLYWOOD - SPECIFICATIONS - PART 2: REQUIREMENTS FOR PLYWOOD FOR USE IN HUMID CONDITIONS
EN 636-3 : 1996 PLYWOOD - SPECIFICATIONS - PART 3: REQUIREMENTS FOR PLYWOOD FOR USE IN EXTERIOR CONDITIONS
EN 518 : 1995 STRUCTURAL TIMBER - GRADING - REQUIREMENTS FOR VISUAL STRENGTH GRADING STANDARDS
EN 317:1993 Particleboards and fibreboards - Determination of swelling in thickness after immersion in water
EN 519 : 1995 STRUCTURAL TIMBER - GRADING - REQUIREMENTS FOR MACHINE STRENGTH GRADED TIMBER AND GRADING MACHINES
EN 1058:2009 Wood-based panels - Determination of characteristic 5-percentile values and characteristic mean values
ISO 4470:1981 Sawn timber — Determination of the average moisture content of a lot
EN 301:2017 Adhesives, phenolic and aminoplastic, for load-bearing timber structures - Classification and performance requirements
EN 323:1993 Wood-based panels - Determination of density
EN 13183-2:2002/AC:2003 MOISTURE CONTENT OF A PIECE OF SAWN TIMBER - ESTIMATION BY ELECTRICAL RESISTANCE METHOD
EN 12369-1:2001 Wood-based panels - Characteristic values for structural design - Part 1: OSB, particleboards and fibreboards
EN 386:2001 Glued laminated timber - Performance requirements and minimum production requirements
EN 636-1 : 1996 PLYWOOD - SPECIFICATIONS - PART 1: REQUIREMENTS FOR PLYWOOD FOR USE IN DRY CONDITIONS
EN 408:2010+A1:2012 Timber structures - Structural timber and glued laminated timber - Determination of some physical and mechanical properties
EN 385:2001 Finger jointed structural timber - Performance requirements and minimum production requirements
EN 338:2016 Structural timber - Strength classes
EN 460:1994 Durability of wood and wood-based products - Natural durability of solid wood - Guide to the durability requirements for wood to be used in hazard classes
EN 387:2001 Glued laminated timber - Large finger joints - Performance requirements and minimum production requirements
EN 384:2016 Structural timber - Determination of characteristic values of mechanical properties and density

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